@article{14456,
      author       = "Ofteile, Thomas C. and VIII International Congress de
                      Photogrammétrie, Stockholm, 1956",
      title        = "Jungle no barrier to aerial mappers of Cerro Bolivar  ",
      year         = "1954",
      note         = "1 sv., Zvl. ot. z čas.:Civil Engineering, 1954, July, s.
                      56 - 57",
}